Siemens 3RT2045-1AG60 Power Contactor 80A, 37 kW, 3-Pole, AC-3e/AC-3 Original Brand New

Overview

The Siemens 3RT2045-1AG60 is a reliable, industrial-grade power contactor designed for heavy-duty AC-3 and AC-3e applications. With a rated current of 80 A and a switching capacity of 37 kW at 400 V, this 3-pole contactor ensures efficient control of motors and electrical loads. Equipped with 1 NO and 1 NC auxiliary contact, it offers versatile control options. Its screw terminal connections and S3 size make installation straightforward, while its durable Siemens engineering guarantees long-term operational reliability.

Benefit

• High Performance: Handles up to 80 A and 37 kW for medium to high power applications.

• Versatile Control: Includes 1 NO + 1 NC auxiliary contact for enhanced circuit control.

• Durable Construction: Siemens quality ensures longevity even in demanding industrial environments.

• Easy Installation: Screw terminal design and standardized S3 size simplify setup.

• Reliable Operation: Compatible with AC-3 and AC-3e rated loads, ensuring smooth switching and motor protection.

Function & Features

• Type: Power Contactor

• Rated Current: 80 A

• Switching Capacity: 37 kW / 400 V

• Poles: 3-pole

• Coil Voltage: 100 V AC, 50 Hz / 100–110 V AC, 60 Hz

• Auxiliary Contacts: 1 NO + 1 NC

• Terminal Type: Screw terminals

• Size: S3

Application

The 3RT2045-1AG60 power contactor serves as the primary electromechanical switch in control circuits. Its main function is to remotely and safely switch the high-current power supply to heavy loads, primarily motors. Typical applications include:

• Controlling pumps, fans, and compressors.

• Switching heating, lighting, and general power distribution circuits.

• Integration into motor starter and control panels.

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